safety in computer by right ergonomics

8/12/2019 Safety in Computer by right Ergonomics

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SAFETY TIPS IN COMPUTER

USE


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PRESENTATION OUTLINE

IntroductionHuman Engineering/Ergonomics

- Definition

- Objective

- Primary Areas of Ergonomics

Ideal Office

Exercises

Correct/Incorrect Position

Office of Horrors


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INTRODUCTION

Importance of Computer

Injuries of Its Use

- Eye Strain

- Stiff Back

- Numbness in Hands and Feet

- Fatigue


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HUMAN ENGINEERING/ERGONOMICS

Definition:

Objective:

Primary Areas of Ergonomics :

It is the study of how people physically interact with their workfitting the job,

the equipment, and the work environment to the worker.

To Work in great safety and comfort with increased productivity.

- Monitor Location

- Keyboard Location

- Seating


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OFFICE OF HORRORS
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Head and Neck

If the position of head ( or neutral)backwardforward,


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Check the distance of the monitor (22-26). Check the side-to-side position of the monitor.


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Lower Back

When you sit down the inward curve in your lower back flattens, this places pressure in the spine.


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Make an effort to sit correctly.

Adjust the backrest on your chair to give support to

the lower spine.

Make small adjustments to your posture.

Make sure that the seat cushion is not too long.

Experiment with your chair to find out what all the

adjustments do.


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Get a footrestif you need one .

If you need more support in the small of your back, try using a lumbar support.


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Legs and Knees

Pressure can build up under thighs and behind knees if your chair in not adjusted properly.


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If you cannot sit fully back in the seat, you need to adjust the backrest assembly.

If you can feel pressure at the front of the seat cushion, you need a footrest.

Set your seat height.


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Keyboard

If you hold your elbows away from your body, muscles in your neck, shoulder and upper

arms are under a constant static load.


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Adjust your chair height.

Position the keyboard so that you can use it with

your hands in line with your forearms.


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Hands and Wrists

The tendons and nerves that control the fingers run through the wrists.

Placing your keyboard at an angle to the edgeof the desk encourages a bad posture.


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Check your seat height.

Use a light keying action.

Make sure that your hands are in line with your forearms.

Have a space in front of your keyboard.


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Feet and Ankles

If your seat is too high or too low you, will experience uneven pressure under the thighs

and this can restrict blood flow and pinch nerves.


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If you can feel pressure under the front of the thighs, get a footrest.


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Temperature and Humidity

Discomfort can occur if the indoor climate is too warm, too cool or draughty.

Electrical equipment dries the air.

The quickest way is to open a window.

Introduce water-pot plants to your work area.

Adjust room temperature (20 to 24 oC) and

air humidity (40 to 60 %).


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Additional Setup Steps:

Position any additional equipment in accessible

places.

Eliminate any reflection on your monitor.


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EXERCISES FOR THE OFFICE

Hand Exercises

0

One of the biggest injury risk factors is static posture.

Try to spend at least 5 minutes every hour away from your computer.

Remember to ONLY stretch to the point of mild tension.

Try to incorporate the stretches into your daily routine.

This slide provides some illustrations of simple active stretches to perform at the office.

Tightly clench your hand into a fist and release, fanning out the fingers. Repeat 3 times


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EXERCISES - CONTINUE

Back and Shoulder Exercises

Stand up straight, place your right hand on your left shoulder and move your head back

gently. Do the same thing for the right shoulder


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EXERCISES - CONTINUE

Head and Neck Exercises


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IDEAL OFFICE


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Remember !

following these ergonomic guidelines can help you

prevent common injuries associated with the use of computers.

in most cases, corrective measures are relatively

simple and inexpensive.

through the application of getting the ideal office, you

can work in greater safety and comfort with increased productivity.

Remember

Remember

Remember


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Symptoms


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Footrest